184 TANKS AND WELLS OF NEW SOUTH WALES. 
+ per cent. found its way past Bourke. Let us assume that the 
experience of engineers in Europe and in our own coast rivers is 
inapplicable to rivers in the interior, the difference shown above is 
some of the broken ones the kernel was recognizable ; 150 feet 
below the tree they came upon a 
So much sand comes up with the water that the well has to 
cleaned out from time to time. It takes a steam-engine ani : 
large-sized centrifugal pump 14 day to get the water out prepara 
to cleaning, 
